GB/T 7234-1987
Abolished
GB/T 34358-2017
Active
National standards
GB/T 34358-2017 Dimension measurement of hot free forgings and rolled rings
GB/T 34358-2017 Dimension measurement of hot free forgings and rolled rings
Basic Information
Standard Code:
GB/T 34358-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forging and pressing
ICS Name:
Measurement of length and angle
Publish Date:
2017-10-14
Implement Date:
2018-05-01
Pages:
10 pages
Scope
This standard specifies the application of theoretical thermal dimensions of free forgings and rolled rings (hereinafter referred to as "forgings"), the calculation formula and its application, and the measurement of thermal dimensions. This standard is applicable to the measurement of thermal dimensions of forgings.
Development Information
Referenced Standards
GB/T 4339-1999 Testing method for thermal expansion characteristic parameters of metallic materials
GB/T 4339-2008 Test methods for thermal expansion characteristic parameters of metallic materials
GB/T 8541-1997 Terminology of forging and stamping
GB/T 8541-2012 Terminology of forging and stamping
GB 13318-2003 General rules for safety and environmental conservation of forging production
Related Standards
GB/T 7235-1987
Abolished
GB/T 7235-1987 Methods for the assessment of departure from roundness—Measurement of variations in radius
GB/T 10920-2003
Replaced
GB/T 10920-2003 Types and dimensions of gauges for general purpose screw threads
GB/T 3934-2003
Replaced
GB/T 3934-2003 Specification of gauges for general purpose screw threads
GB/T 20307-2006
Active
GB/T 20307-2006 General rules for nanometer-scale length measurement by SEM
GB/T 28857-2012
Replaced